Xiaomi Door and Window Sensor 2 mw_grouped_product Dial Silver SIZE:14A Dial Silver BODY Dimensions 159 9 x 73 2 x 7 7 mm (6 30 x 2 88 x 0 30 in)Weight 181 g (6 38 oz)Build Glass front plastic frame glass backSIM Dual SIM (Nano SIM dual stand by)RGB ring lights around the cameras (notifications charging progress)DISPLAY Type AMOLED 430 nits (typ) 600 nits (HBM)Size 6 43 inches 99 8 cm2 (~85 3% screen to body ratio)Resolution 1080 x 2400 pixels 20 9 ratio (~409 ppi density)Protection Schott Xensation UpPLATFORM OS Android 12 ColorOS 12 1Chipset Qualcomm SM6375 Snapdragon 695 5G (6 nm)CPU Octa core (2x2 2 GHz Kryo 660 Gold & 6x1 7 GHz Kryo 660 Silver)GPU Adreno 619MEMORY Card slot microSDXCInternal 256GB 8GB RAMUFS 2 2MAIN CAMERA Triple 64 MP f 1 7 26mm (wide) PDAF2 MP f 2 4 (macro)2 MP f 2 4 (depth)Features LED flash HDR panoramaVideo 1080p@30fps 720p@30 120fps EISSELFIE CAMERA Single 16 MP f 2 4 27mm (wide) 1 0Features HDR panoramaVideo 1080p@30fpsSOUND Loudspeaker Yes3 5mm jack YesCOMMS WLAN Wi Fi 802 11 a b g n ac dual band Wi Fi DirectBluetooth 5 1 A2DP LE aptX HDPositioning GPS GLONASS BDS GALILEO QZSSNFC YesRadio UnspecifiedUSB USB Type C 2 0 USB On The GoFEATURES Sensors Fingerprint (under display optical) accelerometer proximity gyro compass you can set it to automatically turn on a smart light when a door opens at night such as the Xiaomi Smart Home Hub 2